1. When you blow to lamp-chimney.LED Light will be on.
2. when you blow to lamp-chimney again.LED light will be off.
3. Light can be adjusted dim/strong.it will as familiar as candle when dim light.
4. Super-bright 1w LED light,energy saving,environmental protection.Durable
5. Built in 1200mAh environmental lithium battery,USB charge function
6. Can lighting continuously more than 12 hours.